话题 if it hadn’t been for…

话题 It is sb/sth doing sth

话题 it feels good to do sth.

问题 be it in food...是什么用法

She exhibits the idealism common to many advocates of sustainability, be it in food or in energy.请问老师，这里这个be什么意思？一个句子中，不是不能两个动词吗？该如何理解？还有 common to 作形容词短语修饰idealism，哪些情况下可以形容词短语作...

问题 It is time for supper 的句子成分分析

It is time for supper 的句子成分分析。句子中的介词短语 for supper 是什么成分？是定语吗？我在语法书上怎么没有找到这样的分析呢？

问题 从句判断（His height is double what it was...）

 His height is double what it was three years ago.请问,句式上不太明白这是什么从句?

问题 It is time you made...的用法分析

You are twenty now, and it is time you _______ the decision for yourself.A .made B. make C. making D. makes谁可以讲讲made在这句子里是什么用法？

问题 a lot of it is genetic. 介词后面加句子

There are much bigger contributors to our weight and a lot of it is genetic.介词+句子???

问题 try it out loud这个句型不懂之处

try it out loud.out有完全彻底的意思修饰loud，out loud 是副词词组是修饰动词 try，可是try词义是努力，try词义和out loud不符，该怎么翻译？这又是什么句型？

问题 You may use it however you like 怎么翻译

老师您好！请问 You may use it however you like.这句话怎么翻译，尤其是however怎么翻译，有何翻译技巧。

问题 老师好，请问 It is wrong the way they treat that poor an

似乎和Just do it the way i do.的the way不一样，It难道是形式主语？这种指代名词的形式主语倒不常见，请老师指点

问题 It takes sb st to do sth 的时间名词特点

见过这样的句子：It took us three hours to do the work.It took them five months to win the war.其中的时间名词都是three hours, five months, ten minutes, two weeks 等。但是，能不能用 all week, all month, all year, all morning, all afternoon 这样的词语呢？

问题 It has been three months since we had winter vacation的理解

老师好！在理解句子It has been three months since we had winter vacation的时候我遇到问题：have winter vacation这个动词短语的动词have是非延续动词还是延续性动词？如果have在这里是非延续性动词，It has been three months since we had winter vacation是...

问题 It is adj of/for sb to do sth的句子成分

It is very nice of them to help me out.It is important for us to master the cues of computers．for me, of sb 作什么成分？

问题 as it were在句中的位置

我知道，as it were是一个固定搭配的虚拟语气用法，它的意思是“可以说是”“姑且这样说”，它在句中的位置是怎样的？是放在句首、句中还是句末？